diff --git a/mpd_client.rb b/mpd_client.rb
index 14090c2..2ede6f8 100644
--- a/mpd_client.rb
+++ b/mpd_client.rb
@@ -4,6 +4,7 @@ Bundler.require(:default, ENV['RACK_ENV'])
 
 require 'sinatra/asset_pipeline'
 
+require 'sass'
 require 'json'
 require 'cgi'